8220321

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{6571}}^1$

素因数の和:6716

約数の個数: 12

約数和(自身を含む): 11961040

約数和(自身を除く): 3740719

約数列:

[1, 3, 9, 139, 417, 1251, 6571, 19713, 59139, 913369, 2740107, 8220321]

約数ペア:

[(1, 8220321), (3, 2740107), (9, 913369), (139, 59139), (417, 19713), (1251, 6571)]